20505617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 3625903

約数列:

[1, 11, 19, 41, 209, 451, 779, 2393, 8569, 26323, 45467, 98113, 500137, 1079243, 1864147, 20505617]

約数ペア:

[(1, 20505617), (11, 1864147), (19, 1079243), (41, 500137), (209, 98113), (451, 45467), (779, 26323), (2393, 8569)]